Portable computer



FIG. 1 is a top, front, side perspective view of the portable computer showing our new design in the closed position;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a top, front and side perspective view thereof shown in the opened position; and,

FIG. 9 is a top, rear and opposite side perspective view thereof. 

The ornamental design for a portable computer, as shown and described. 